Can you unlock a 3gs for tmobile prepaid?

Simple question, can i unlock and iPhone 3gs to use with a prepaid t-mobile sim card? And if yes what restrictions does this put on the phone, if any

I have had a friend who did that with a 3gs and he had T-mobile. Only thing is it wasn't a prepaid, but you can try. Make sure to unlock your phone and change out the sim card.

Yes, You can definitely unlock an iPhone 3GS. Once you have unlocked it you can use any international GSM SIM card to it. It does not put any restriction on your phone.
You can unlock your iPhone 3GS safer and easier through remote unlocking method. It is also an affordable method too. You can get the remote unlocking for an iPhone 3GS from www. Superunlockcodes.com at low cost.
Here are the steps for unlocking an iPhone 3GS,
1. Wait for to send you an email saying your phone has been activated or remotely unlocked.
2. Install the latest version of iTunes.
3. Make sure your Apple iPhone 3G S phone software is updated to the latest version using the iTunes software.
4. Connect your Apple iPhone 3G S to iTunes with a NOT ACCEPTED SIM card.
5. Wait until iTunes detects your Apple iPhone 3G S.
6. Disconnect your Apple iPhone 3G S and reconnect it after 10 seconds.
7. Your Apple iPhone 3G S is now unlocked.

Www.ln-s.net/$YJI

checkout second & third link on that website

Yea you can easy http://icareitmatters.com/unlock-your-iphone/